STARLINK-2517, 48309
Orbit data source: Space-Track
STARLINK-2517, 48309 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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48309 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 STARLINK-2517
1 48309U 21036AK 26035.72270418 .00000471 00000-0 50492-4 0 9999
2 48309 53.0550 239.6126 0000987 87.5410 272.5692 15.06393490263208Epoch: 2026-02-04T17:20Z
TLE epoch observation values (Epoch: 2026-02-04T17:20:41.641Z)
Latitude
-0°
Longitude
-155.44611°
Altitude
548.08 km
Speed
7.589 km/s
True Right ascension
15h 58m 27s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
13:34:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.186 km
Perigee altitude
546.819 km
Semi-major axis
6,925.639 km
Eccentricity
0.0001
Inclination
53.055°
RAAN
239.6126°
Arg. of periapsis
87.541°
True anomaly
272.5579°
Mean anomaly
272.5692°
Eccentric anomaly
272.56355°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
0.000050492
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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-2517 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-05 15:48:25.149Z | 211.477° SW | 2026-02-05 15:51:25.149Z | 143.017° SSE | 40.083° | 2026-02-05 15:55:25.149Z | 57.633° ENE |
| 5 mins | 2026-02-05 17:29:25.149Z | 293.32° NW | 2026-02-05 17:31:25.149Z | 337.892° N | 24.125° | 2026-02-05 17:34:25.149Z | 29.858° NE |
| 4 mins | 2026-02-05 20:51:25.149Z | 352.182° N | 2026-02-05 20:52:25.149Z | 9.501° NNE | 16.415° | 2026-02-05 20:55:25.149Z | 57.801° ENE |
| 6 mins | 2026-02-05 22:30:25.149Z | 322.01° NNW | 2026-02-05 22:33:25.149Z | 63.772° ENE | 39.304° | 2026-02-05 22:36:25.149Z | 114.314° SE |
| 4 mins | 2026-02-06 00:10:25.149Z | 264.764° W | 2026-02-06 00:12:25.149Z | 228.006° WSW | 18.377° | 2026-02-06 00:14:25.149Z | 194.029° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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